[Backport 2.x] Close Zstd Dictionary after execution to avoid any memory leak. (#9403)

[andrross]

Backports 5cc7313 to 2.x

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[opensearch-trigger-bot]

Compatibility status:

Checks if related components are compatible with change d555d1d

Incompatible components

Incompatible components: [https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/performance-analyzer-rca.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      2 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.classMethod
      1 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testScrollWithConcurrentIndexAndSearch
      1 org.opensearch.indices.replication.SegmentReplicationRelocationIT.testPrimaryRelocation
      1 org.opensearch.index.translog.RemoteFSTranslogTests.testConcurrentWriteViewsAndSnapshot

• URL: https://build.ci.opensearch.org/job/gradle-check/22994/
• CommitID: 18d3f5a
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #9424 (97a5b9c) into 2.x (4cb5e66) will increase coverage by 0.07%.
Report is 4 commits behind head on 2.x.
The diff coverage is 70.83%.

@@             Coverage Diff              @@
##                2.x    #9424      +/-   ##
============================================
+ Coverage     70.82%   70.90%   +0.07%     
- Complexity    57570    57628      +58     
============================================
  Files          4762     4762              
  Lines        272058   272060       +2     
  Branches      40110    40110              
============================================
+ Hits         192681   192894     +213     
+ Misses        62900    62623     -277     
- Partials      16477    16543      +66     

Files Changed	Coverage Δ
.../index/codec/customcodecs/ZstdCompressionMode.java	86.66% <70.83%> (+0.30%)	⬆️

... and 447 files with indirect coverage changes

[opensearch-trigger-bot]

Compatibility status:

Checks if related components are compatible with change b68d6ff

Incompatible components

Incompatible components: [https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/ml-commons.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.repositories.azure.AzureBlobStoreRepositoryTests.testRequestStats

• URL: https://build.ci.opensearch.org/job/gradle-check/23040/
• CommitID: 97a5b9c
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.